DataModel: Storage for Users, Items, and preferences.
DataModel：用于存储用户、项目和首选项。
The @DataModel annotation's complement for single-object instances is the @Out annotation.
@DataModel注释对单个对象实例的补充是 @Out 注释。
Taste comes with several different implementations of DataModel for working with files and databases.
Taste提供了一些不同的DataModel实现，用于操作文件和数据库。
Then, the page uses the <df:textarea> component to produce the element that lets the user enter a value for the address property of the dataModel object.
然后，该页面使用 <df:textarea>组件生成元素，该元素会让用户输入dataModel对象的address属性的值。
Then, the application server executes the JSP page, which uses the <c:set> tag of JSTL to store the value of the address parameter into the dataModel bean.
然后，应用服务器执行JSP页面，该页面使用JSTL标记 <c:set> 将address参数的值存储到dataModelbean 中。
You don't have to inspect the request parameters: You simply ask the DataModel (cdModel) which CD has been selected by invoking the cdModel.getRowData() method.
您并不需要对请求参数进行检查：只需要调用cdModel.getRowData()方法向DataModel（cdModel）查询已经选择了哪个CD。
If you choose the DataModel API as your entry point to the row data, then you must expose the DataModel wrapper object as a property of the backing bean, as shown in Listing 4.
如果选择DataModelAPI作为行数据入口点，那么必须将DataModel包装器对象公开为支持bean的属性，如清单4所示。
If you choose the DataModel API as your entry point to the row data, then you must expose the DataModel wrapper object as a property of the backing bean, as shown in Listing 4.
如果选择DataModelAPI作为行数据入口点，那么必须将DataModel包装器对象公开为支持bean的属性，如清单4所示。
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